The event features competitors riding a small sled down a frozen track while lying face down. Riders experience forces up to 5 g and reach speeds of more than 80 miles per hour. The sport earned its name from the bony appearance of the sled.

Antoine had a breakthrough season in 2013-2014, which included three World Cup medal performances, including a gold in Lake Placid, N.Y.

The 28-year-old Prairie du Chien, Wis., native finished the World Cup season No. 3 overall in the standings.

His medal was the second in skeleton for the U.S. in Sochi. Noelle Pikus-Pace won silver in the women's skeleton competition on Friday.